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Contract OI history

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Jan 15, 2027 EXPIRATION

TSM $370.00 Put

TSM270115P00370000

Latest saved OI2,509Oct 23, 2026
Last change+14vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $370.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2,5091,2540 2026-10-02: 2,042 OI2026-10-05: 2,038 OI2026-10-06: 2,028 OI2026-10-07: 2,031 OI2026-10-08: 2,031 OI2026-10-09: 2,050 OI2026-10-14: 2,048 OI2026-10-15: 2,072 OI2026-10-16: 2,290 OI2026-10-21: 2,495 OI2026-10-23: 2,509 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

TSM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,509+14
Oct 21, 20262,495+205
Oct 16, 20262,290+218
Oct 15, 20262,072+24
Oct 14, 20262,048-2
Oct 09, 20262,050+19
Oct 08, 20262,0310
Oct 07, 20262,031+3
Oct 06, 20262,028-10
Oct 05, 20262,038-4
Oct 02, 20262,042No prior observation